I received a notice from the IRS a few days ago regarding my 2012 filing. One of the companies I contracted for filed paperwork stating they paid me about twice what I actually received. It seems like it may just be an honest mistake, but I can't be certain. That company no longer exists, as far as I know. The letter I received has a form were I can reject their changes, but I also have to include supporting documentation for my case. What proof can I provide to the IRS that will satisfy them? I don't know how I can show them a lack of paychecks from my client.
I ended up sending in another copy of the 1099 I received from the company. This seemed to satiate the IRS and now they say I don't owe them any money at all.